Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Dokumentacja Pobierz pdf (Strona 55)

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Cisco ONS 15454 Product Overview, R3.3

May 2002

Cisco ONS 15454 Product Overview

Hardware

TL1 Craft Interface

• Speed: 9600 bps

• TCC+ access: RS-232 DB-9 type connector

• Backplane access: CRAFT pin field

Alarm Interface

• Visual: Critical, Major, Minor, Remote

• Audible: Critical, Major, Minor, Remote

• Alarm contacts: 0.045mm, -48V, 50 mA

• Backplane access: Alarm pin fields

EIA Interface

• SMB: AMP #415504-3 75 Ohm 4 leg connectors

• BNC: Trompeter #UCBJ224 75 Ohm 4 leg connector

• AMP Champ: AMP#552246-1 with #552562-2 bail locks

Nonvolatile Memory

64 MB, 3.0V FLASH memory

BITS Interface

• 2 DS-1 BITS inputs

• 2 derived DS-1 outputs

• Backplane access: BITS pin field

System Timing

• Stratum 3 per Telcordia GR-253-CORE

• Free running accuracy: 4.6 ppm

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